| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 03/21/2007 | CN1933681A Condenser microphone |
| 03/21/2007 | CN1933680A Condenser microphone and packaging method for the same |
| 03/21/2007 | CN1933679A Waterpoof and dampproof electret capacitance microphone |
| 03/20/2007 | US7194095 Anti-noise pick-up |
| 03/20/2007 | US7193256 Manufacturing method for a semiconductor substrate comprising at least a buried cavity and devices formed with this method |
| 03/15/2007 | WO2007029907A1 A condenser microphone and method of making the same |
| 03/15/2007 | WO2007029878A1 Capacitor microphone |
| 03/15/2007 | DE102005043690A1 Micro-mechanical microphone, has opening of ventilation duct and exhaust duct which is formed above rear side of substrate |
| 03/15/2007 | DE102005042664A1 Mikromechanisches Sensorelement und Verfahren zu dessen Herstellung The micromechanical sensor element and method for its production |
| 03/14/2007 | EP1762117A1 Capacitor microphone |
| 03/14/2007 | CN1929701A Method and constitution for use of improved condenser type microphone in skin contact mode |
| 03/13/2007 | US7190038 Micromechanical sensors and methods of manufacturing same |
| 03/08/2007 | WO2007026782A1 Capacitor microphone and method for manufacturing capacitor microphone |
| 03/07/2007 | EP1761104A1 Electrostatic capacity type ultrasonic vibrator, manufacturing method thereof, and electrostatic capacity type ultrasonic probe |
| 03/07/2007 | CN1926919A 驻极体电容式麦克风 Electret condenser microphone |
| 03/07/2007 | CN1926918A Electret condenser |
| 03/01/2007 | WO2007024943A1 Microphone with irregular diaphragm |
| 03/01/2007 | WO2007024909A1 Multi-microphone system |
| 03/01/2007 | WO2007024049A1 Silicon based condenser microphone |
| 03/01/2007 | WO2007024048A1 Silicon based condenser microphone |
| 03/01/2007 | WO2007024047A1 Electret condenser microphone |
| 02/28/2007 | EP1757164A1 Totally implantable hearing system |
| 02/28/2007 | EP1757163A1 Condenser microphone |
| 02/28/2007 | EP1757158A1 Acoustic transducer |
| 02/28/2007 | CN1922917A Microphone assembly with preamplifier and manufacturing method thereof |
| 02/27/2007 | US7184563 Electret condenser microphone |
| 02/22/2007 | DE10260307B4 Elektroakustischer Miniaturwandler für ein Hörhilfegerät Electric miniature transducer for a hearing aid |
| 02/21/2007 | EP1755360A1 Silicon based condenser microphone and packaging method for the same |
| 02/21/2007 | CN2872777Y Printing circuit board of loundspeaker |
| 02/21/2007 | CN1918944A Capacity detection type sensor element |
| 02/21/2007 | CN1918943A Thermostable electret condenser microphone |
| 02/21/2007 | CN1917720A Silicon base capacitor microphone and its package method |
| 02/15/2007 | WO2007018343A1 Silicon based condenser microphone and mounting method for the same |
| 02/15/2007 | WO2007016722A1 Electrostatic loudspeaker stators and their manufacture |
| 02/15/2007 | US20070034976 Micromechanical capacitive transducer and method for manufacturing the same |
| 02/15/2007 | CA2617605A1 Electrostatic loudspeaker stators and their manufacture |
| 02/14/2007 | CN2870352Y Microcomputer electric-system microphone snap-closing type package structure |
| 02/08/2007 | WO2007015593A1 Silicon based condenser microphone and packaging method for the same |
| 02/08/2007 | WO2006116017A3 Micromachined microphone and multisensor and method for producing same |
| 02/08/2007 | US20070029899 Electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, electrode manufacturing method for use in ultrasonic transducer, ultrasonic transducer manufacturing method, superdirective acoustic system, and display device |
| 02/08/2007 | US20070029894 Electret and electret capacitor |
| 02/07/2007 | EP1749661A2 Electrostatic actuator, droplet discharge head, method for driving droplet discharge head, and method for manufacturing electrostatic actuator |
| 02/07/2007 | EP1749422A2 Method of detecting and deterring microphone sabotage |
| 02/07/2007 | CN1909747A Electrostatic ultrasonic transducer, ultrasonic speaker, and electrode manufacturing method for use in ultrasonic transducer |
| 02/07/2007 | CN1909746A Condenser microphone |
| 02/07/2007 | CN1909742A 防水话筒 Waterproof microphone |
| 02/06/2007 | US7174025 Resonant panel-form loudspeaker |
| 02/01/2007 | US20070025571 Electret Condenser Microphone |
| 01/31/2007 | EP1748676A2 Electro-acoustic transducer |
| 01/31/2007 | EP1748287A1 Vibration sesor |
| 01/31/2007 | EP1747699A2 Low acceleration sensitivity microphone |
| 01/31/2007 | CN1905761A Microphone assembly with P-type preamplifier input stage |
| 01/30/2007 | US7171012 Microphone |
| 01/25/2007 | US20070019835 Wind noise suppression in directional microphones |
| 01/24/2007 | CN2862558Y Circuit board for condenser microphone |
| 01/24/2007 | CN1901758A Capacitive silicon microphone |
| 01/24/2007 | CN1901757A Method for manufacturing condenser microphone |
| 01/24/2007 | CN1900154A Method of producing heat-resistant electrically charged fluororesin material and method of producing electret condenser microphone using heat-resistant electrically charged fluororesin material |
| 01/23/2007 | US7166910 Miniature silicon condenser microphone |
| 01/23/2007 | US7165647 Mechanical acoustic filter by erosion etching |
| 01/18/2007 | WO2007007929A1 Packaging structure of silicon condenser microphone and method for producing thereof |
| 01/18/2007 | WO2007007928A1 Electret microphone include washer spring |
| 01/18/2007 | WO2005120128A3 Method of detecting and deterring microphone sabotage |
| 01/18/2007 | US20070013266 Method of fabricating a polymer-based capacitive ultrasonic transducer |
| 01/11/2007 | WO2007004981A1 Electro acoustic transducer |
| 01/11/2007 | DE102005031601A1 Capacitive, micromechanical microphone, has balancing volume whose section is laterally arranged to height of diaphragm volume, and damping channel designed in curved, bent and unrolled manner in flow direction of air column |
| 01/11/2007 | DE102004006156B4 Verfahren zum Herstellen eines mikrokapazitiven Ultraschall-Wandlers A method for producing a mikrokapazitiven ultrasonic transducer |
| 01/11/2007 | CA2613682A1 Electro acoustic transducer |
| 01/10/2007 | EP1742508A1 Electret capacitor microphone |
| 01/10/2007 | EP1742507A2 Mounting substrate and microphone mounted thereon |
| 01/10/2007 | EP1742506A2 Microphone assembly with P-type preamplifier input stage |
| 01/10/2007 | CN1893739A Mounting substrate and microphone mounted thereon |
| 01/04/2007 | US20070003090 Wind noise reduction for microphone |
| 01/04/2007 | US20070003082 Miniature condenser microphone and fabrication method therefor |
| 01/04/2007 | US20070003079 The design of electrostatic loudspeakers |
| 01/03/2007 | CN2854994Y Capacitor microphone |
| 01/03/2007 | CN2854993Y Mini-electret microphone |
| 01/03/2007 | CN2854992Y Mini-electret capacitor microphone |
| 01/03/2007 | CN2854991Y Vehicle handfree microphone |
| 12/27/2006 | CN1886008A Silicon microphone with long sound channel |
| 12/27/2006 | CN1886007A Silicon microphone with strong anti-interference performance |
| 12/27/2006 | CN1886000A Electro-acoustic transducer |
| 12/21/2006 | WO2006135143A1 Conductive base of condenser microphone and condenser microphone using the same |
| 12/21/2006 | CA2608164A1 Micro-electro-mechanical transducer having an insulation extension |
| 12/20/2006 | CN1883020A Electret and electret capacitor |
| 12/20/2006 | CN1882194A Module of built-in multi-microphone |
| 12/20/2006 | CN1880370A Heat-resistant electrically charged resin material and method of producing heat-resistant electrically charged resin material, electret condenser microphone using the heat-resistant electrically char |
| 12/14/2006 | WO2006132193A1 Method of turning condenser microphone into electret, electret-turning device and method of producing condenser microphone using this |
| 12/14/2006 | US20060280320 Surface mountable electret condenser microphone |
| 12/13/2006 | CN2847764Y Capacitance microphone device for providing surface combination |
| 12/13/2006 | CN2847763Y Electret type capacitance sound head special for hand held radio microphone |
| 12/07/2006 | WO2006129525A1 Capacitive micromachined ultrasonic transducer and method for manufacturing same |
| 12/07/2006 | DE102006014877A1 Verfahren zur Herstellung eines hitzebeständigen, elektrisch aufgeladenen Kunststoffmaterials, Elektret-Kondensator-Mikrofon, bei dem das hitzebeständige elektrisch aufgeladene Kunststoffmaterial verwendet wird, und Verfahren zur Herstellung desselben The same process for producing a heat-resistant, electrically-charged plastic material, electret condenser microphone, in which the heat-resistant electrically charged plastic material is used, and processes for preparing |
| 12/06/2006 | EP1728408A1 Microphone assembly with preamplifier and manufacturing method thereof |
| 12/06/2006 | CN2845374Y 方形驻极体电容传声器 Square electret condenser microphone |
| 12/06/2006 | CN2845373Y Self supplied integrated electret capacitor probe |
| 12/06/2006 | CN1874616A Capacitance type sound sensor in micro mechanical and electrical structure |
| 12/05/2006 | US7146016 Miniature condenser microphone and fabrication method therefor |
| 11/30/2006 | WO2006126641A1 Portable electronic apparatus with microphones |
| 11/29/2006 | CN2842952Y 传声器 Microphone |